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Finding the Fourth Proportional to 14,798.16, 20,401.56 and 14,339.52

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Solution

The fourth proportional to 14,798.16, 20,401.56 and 14,339.52 is: 19,769.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,798.16 : 20,401.56 = 14,339.52 : x
  2. Step 2: Convert to fraction form
    14,798.16/20,401.56 = 14,339.52/x
  3. Step 3: Cross multiply
    14,798.16x = 20,401.56 × 14,339.52
  4. Step 4: Simplify right side
    14,798.16x = 292,548,577.65
  5. Step 5: Solve for x
    x = 292,548,577.65/14,798.16
  6. Step 6: Final answer
    x = 19,769.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.